increase the MDBX_READERS_LIMIT to 32767

Author: AskAlexSharov

mdbx/mdbx.c

@@ -2581,15 +2581,13 @@ typedef struct MDBX_lockinfo {
 
 #if MDBX_WORDBITS >= 64
 #define MAX_MAPSIZE MAX_MAPSIZE64
-#define MDBX_READERS_LIMIT                                                     \
-  ((MAX_PAGESIZE - sizeof(MDBX_lockinfo)) / sizeof(MDBX_reader))
 #define MDBX_PGL_LIMIT ((size_t)MAX_PAGENO)
 #else
-#define MDBX_READERS_LIMIT 1024
 #define MAX_MAPSIZE MAX_MAPSIZE32
 #define MDBX_PGL_LIMIT (MAX_MAPSIZE32 / MIN_PAGESIZE)
 #endif /* MDBX_WORDBITS */
 
+#define MDBX_READERS_LIMIT 32767
 #define MDBX_RADIXSORT_THRESHOLD 333
 
 /*----------------------------------------------------------------------------*/